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mountains. The
Clanwilliam and Bulshoek dams are located on the river and provide water for the towns and farms along the watercourse. The river is approximately 285 km long with a catchment area of 46,220 km. It flows into the
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in the rivers of the
Olifants/Doring basin is unusually high for South Africa, with eight species endemic to the system. The upper Olifants River is one of the main dwelling places of adult
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or fishing and may not be killed or caught; a long-lived and slow-growing species, it needs several years to grow undisturbed but reaches an adult almost 40 cm after a decade.
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north of Ceres. The mainstem is about 265 km long. The river flows to the north-west through a deep, narrow valley that widens and flattens into a broad floodplain below
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A preliminary assessment of the impact of alien rainbow trout (Oncorhynchus mykiss) on indigenous fishes of the upper Berg River, Western Cape
Province, South Africa
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458:, and until the Olifants River is sufficiently restored ecologically both might not be able to thrive at the same time.
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283:, changing name as Melkboom/Oudrif before it joins the Olifants. The tributaries flowing from the east, such as the
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53:
A view of the
Olifants River as it runs through the Winterhoek Mountain range a few kilometres upstream from
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Non-biological threats are mainly excessive removal of river water for irrigation, and the resultant toxic
271:. At the mouth the Olifants river is split in two by an island that exhibits interesting rock formations.
454:. Whether it will be reintroduced is unclear, as sawfin and Clanwilliam yellowfish adults are probably
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This article is about the river in the western part of
Western Cape Province. For other rivers, see
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423:) is another threatened and legally protected species found in the Olifants River; it is more
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by depleting the stocks of other fish species. Its eradication is encouraged under the
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in this basin endemic to the
Western Cape region. It has been subject to some
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are smaller and seasonal, not contributing much to the flow in the system.
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in the
Olifants River, and at least is almost certainly gone from between
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effort and its stocks are in better shape. However, it may have gone
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468:, a South African fish species sharing the same habitat as imported
227:. The upper and main catchment area of the Olifants river is around
492:. Other species that occur in the Olifants riverine system include
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The major towns below the
Olifants/Doring river catchment include
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476:. Although in South Africa this relatively delicate fish is only
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592:, and thus causing both river and adjacent cropland to degrade.
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species and living in an area between the
Olifants and the
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842:
River
Rafting Adventures / Cape Town - Cape Adventure Zone
334:, with a storage capacity of 127,000,000 cubic metres (4.5
267:
The river eventually drains into the Atlantic Ocean near
461:The Olifants River marks the northern limit of the
399:. At present it is so rare as to be jeopardized by
753:Impson, D.; Van der Walt, R.; Jordaan, M. (2017).
698:Van der Walt, R.; Jordaan, M.; Impson, D. (2017).
652:Impson, D.; Van der Walt, R.; Jordaan, M. (2017).
327:Dams in the catchment area of the Olifants River:
858:
837:Military History Journal Vol 9 No 1 - June 1992
778:10.2305/IUCN.UK.2017-3.RLTS.T63290A100163027.en
723:10.2305/IUCN.UK.2017-3.RLTS.T2562A100139530.en
677:10.2305/IUCN.UK.2017-3.RLTS.T2569A100148283.en
219:) is a river in the northwestern area of the
307:. Those flowing from the west, such as the
563:Cape Action for People and the Environment
776:
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675:
545:to the river's ecosystem is probably the
484:species of the same genus were driven to
360:situated in the lower catchment area and
303:are typically perennial, except for the
201:46,220 km (17,850 sq mi)
27:River in the Western Cape, South Africa
14:
859:
808:Albany Museum - Freshwater Ichthyology
411:or fishery, but this requires better
764:IUCN Red List of Threatened Species
709:IUCN Red List of Threatened Species
663:IUCN Red List of Threatened Species
24:
25:
878:
825:
624:, University of Cape Town Press,
407:has done trials to adapt it for
256:The Olifants River rises in the
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47:
557:, it has become something of a
368:in the middle catchment areas.
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614:
602:List of rivers of South Africa
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152: • coordinates
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1:
818:Impson & Swartz (2007abc)
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553:). Originally introduced for
103:Physical characteristics
743:Impson & Swartz (2007ab)
415:of the river ecosystem. The
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7:
798:Impson & Swartz (2007b)
595:
139: • location
10:
883:
867:Rivers of the Western Cape
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279:Its main tributary is the
68:Olifants River watershed (
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832:Flyfishing Olifants River
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193:265 km (165 mi)
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622:West Coast tourist guide
516:Clanwilliam rock-catfish
506:Pseudobarbus phlegethon
498:Pseudobarbus erubescens
322:
244:, 250 km north of
771:: e.T63290A100163027.
456:ecological competitors
428:Clanwilliam yellowfish
216:
716:: e.T2562A100139530.
670:: e.T2569A100148283.
641:Olifants/Doorn WMA 17
511:Austroglanis barnardi
221:Western Cape Province
97:Western Cape Province
18:Olifants/Doring River
702:Pseudobarbus calidus
551:Micropterus dolomieu
532:Clanwilliam sandfish
258:Winterhoek Mountains
116:Winterhoek Mountains
757:Labeobarbus seeberi
466:(Galaxias zebratus)
434:) is another large
432:Labeobarbus seeberi
338:10 cu ft)
170: /
656:Pseudobarbus serra
528:Enteromius anoplus
520:Austroglanis gilli
417:Clanwilliam redfin
385:Pseudobarbus serra
543:biological threat
494:Twee River redfin
391:is classified as
317:Seekoeivlei River
313:Elandskloof River
301:Jan Dissels River
205:
204:
174:31.700°S 18.217°E
16:(Redirected from
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847:Invasion biology
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547:Smallmouth Bass
524:Chubbyhead barb
478:Near Threatened
474:Keurbooms River
452:Clanwilliam Dam
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332:Clanwilliam Dam
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293:Boontjies River
289:Noordhoek River
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179:-31.700; 18.217
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70:Interactive map
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448:Olifants Gorge
387:). This local
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297:Rondegat River
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238:Atlantic Ocean
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209:Olifants River
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782:. Retrieved
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681:. Retrieved
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621:
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576:(especially
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519:
509:
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502:Fiery redfin
497:
465:
460:
431:
425:
421:"P." calidus
420:
413:conservation
384:
375:
358:Vanrhynsdorp
347:
342:Bulshoek Dam
326:
281:Doring River
278:
266:
255:
225:South Africa
208:
206:
87:South Africa
36:
784:12 November
729:12 November
683:12 November
574:plantations
409:aquaculture
362:Clanwilliam
309:Ratel River
275:Tributaries
262:Clanwilliam
177: /
608:References
586:fertilizer
582:pesticides
486:extinction
405:CapeNature
393:Endangered
305:Sout River
285:Thee River
198:Basin size
588:and halt
565:program.
490:salmonids
482:Australia
366:Citrusdal
354:Vredendal
350:Lutzville
269:Papendorp
252:Watershed
246:Cape Town
242:Papendorp
233:Cederberg
213:Afrikaans
145:Papendorp
55:Citrusdal
861:Category
596:See also
436:cyprinid
377:Endemism
315:and the
299:and the
231:and the
78:Location
590:erosion
578:agrumes
530:), and
444:extinct
401:angling
395:by the
389:endemic
381:sawfins
372:Ecology
165:18°13′E
162:31°42′S
83:Country
628:
190:Length
112:Source
572:from
480:, in
470:trout
229:Ceres
143:near
127:Mouth
93:State
786:2021
769:2017
731:2021
714:2017
685:2021
668:2017
626:ISBN
584:and
559:pest
450:and
426:The
397:IUCN
364:and
356:and
323:Dams
207:The
773:doi
718:doi
672:doi
538:).
522:),
508:),
500:),
496:, (
240:at
223:of
863::
767:.
761:.
712:.
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666:.
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514:,
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248:.
215::
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755:"
733:.
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549:(
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419:(
383:(
336:×
211:(
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34:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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